Synthesis of New Chiral Calix [ 4 ] crown Containing (R)-Cys-teine

• 来源期刊: 中国化学（英文版）
• 学科: 化学
• 年，卷（期）: 2001,（2）
• 页码范围: 193-197
• 页数: 5页
• 分类号: O6
• 语种: 英文

摘要

Three new chiral heterocalix[4] crowns containing aza thio atoms bearing two chiral sites provided by (R)-cysteine ester were synthesized.All new compounds were characterized by 1H NMR, MS and elemental analysis .